 |
| |||
| core bit | |||
| core barrel | |||
| core drill bit | |||
| core drill | |||
| coring tool (Yeldar Azanbayev) | |||
| coring bit | |||
| hollow bit; hollow drill bit; rotary core bit; core bit (полое долото для вырезания цельных кусков породы) | |||
| core drill bit | |||
| |||
| core barrel | |||
| |||
| core bit | |||
|
колонковое долото : 64 a las frases, 8 temas |
| Campos de petróleo | 3 |
| Construcción | 1 |
| Makárov | 1 |
| Minería | 2 |
| Perforación | 1 |
| Petróleo | 37 |
| Petróleo y gas | 14 |
| Tecnología | 5 |